# Construction Calculators and Estimation Tools

Construction calculators are useful for estimating material for many construction, remodeling, and renovation projects. Our tools provide geometric calculations for building projects such as concrete and masonry work, landscaping, fences, flooring, siding, roofing, and other projects and help find how much material should be ordered. Most tools include material price estimation to give an estimated cost of your project. Share your results and easily request quotes from contractors for your project.

## Construction Resources

## Acreage Calculator

Calculate the acreage of an area by entering the length and width of the land. An acre is a 43,560 square foot area of land.

## Baluster Calculator

Estimate the number of balusters needed for a deck or stair railing. The maximum spacing between balusters is 4″.

## Board and Batten Siding Calculator

Calculate the material needed to install board and batten siding. Learn how to layout board and batten siding and how to estimate materials.

## Board Footage Calculator and Price Estimator

Find board footage by entering the thickness, length, and width of a board. Board footage is the volume of lumber and hardwood is commonly sold by the board foot.

## Brick Calculator and Price Estimator

Estimate how many bricks are needed by entering the size of the wall and selecting the size brick being used. Learn how to calculate brick material.

## Calculate How Many BTUs are Needed to Heat Home

Find how many BTUs are needed to heat your home. Our calculator considers your geographic location to recommend the right sized furnace based on your average winter temperatures.

## Carpet Calculator and Price Estimator

Estimate how much carpet you need by entering the size of your room. Find how much installing carpet will cost.

## Clapboard and Lap Board Siding Calculator

Estimate the linear feet of siding material needed and find the total number of boards needed. Estimate walls and gables and find the right board exposure and overlap.

## Concrete Block Calculator

Find how many concrete blocks are needed by entering the size of the wall and the size of the block. Estimate concrete block material and cost.

## Concrete Calculator and Price Estimator

Calculate concrete needed for a slab, footing, post, patio, or other masonry project and find the concrete cost. Estimate how many cubic yards and bags of concrete fill a space.

## Cubic Yards Calculator and Price Estimator

Estimate yards of material needed to fill a space and calculate material costs. Find cubic yardage for a space for landscaping projects.

## Cylinder Cubic Yardage Calculator

Find the cubic yardage of a cylinder by entering the diameter and height of the cylinder.

## Deck Flooring Calculator and Price Estimator

Estimate how many deck boards and other decking materials are needed given the size of the deck and preferred deck board.

## Drywall and Sheetrock Calculator

Find how much drywall and sheetrock needed for a project by entering the size of the room. Estimate material for drywall projects.

## Electricity Cost Calculator

Calculate electricity cost by entering wattage and usage of electricity and the cost per kilowatt-hour. Estimate energy costs and kilowatt-hour electricity usage.

## Feet and Inches Length Measurement Calculator

Add and subtract inch fractions, decimal inches, feet, centimeters, millimeters, and meters. Add measurements and get metric and imperial results.

## Fence Calculator

Estimate fence material given the style of the fence and the length. Find post distance, posts, rails, and pickets needed to build a fence.

## Flooring Calculator

Estimate flooring needed for a room and calculate flooring material costs. Flooring material can be calculated by finding the square footage of the floor.

## Grass Seed Calculator

Learn how to estimate how much grass seed is needed for your lawn. Enter square footage, length & width, or the acreage of the land to find how many pounds of seed is needed.

## How to Calculate Linear Feet

How to calculate linear feet of lumber and other materials. Linear feet is simply the length of the material in feet.

## Inch Fraction Calculator

Convert inch fractions to decimal and decimal inches to fractions. Convert inches and inch fractions to millimeters and centimeters. Convert inches and centimeters to feet.

## Lighting Energy Cost Calculator

Estimate the cost of electricity to power the lights in your home. Calculate the cost savings of upgrading to LED or CFL lighting.

## Metal Roofing Material Calculator

Calculate how many metal roofing panels are needed to cover a roof.

## Mulch Calculator and Coverage Estimator

Estimate the amount of mulch needed to fill a space. Get the number of bags, cubic yards, and cubic feet of mulch needed.

## Ohm’s Law Calculator

Calculate watts, volts, amps, ohms, power, voltage, current, and resistance using the Ohm’s Law and Watt’s Law formulas.

## Paint Calculator and Coverage Estimator

Calculate paint coverage and estimate how many gallons of paint and primer are needed for a room. Estimate paint needed for walls, ceilings, trim, and small projects.

## Paver Calculator and Price Estimator

Calculate how many pavers are needed for a patio or walkway and estimate the cost of materials. Estimate the gravel and sand needed for a paver patio base.

## Plant and Flower Calculator

Estimate how many flowers or plants are needed to fill a landscaping bed using the plant calculator. Find how many plants will be needed when using a rectangle or triangle planting pattern.

## Pool Volume Calculator

Learn how to calculate how many gallons or liters of water are needed to fill a swimming pool.

## Post Hole Concrete Calculator

Estimate concrete for post hole projects. Calculate how many yards of concrete or bags of concrete are needed for filling post holes for fences, decks, footings, and columns.

## Rebar Material Calculator

Learn how to calculate the amount of rebar material needed for a concrete slab project, including patios and driveways.

## Rebar Weight and Size Calculator

Learn how to estimate the weight and dimensions of rebar, including US, Canadian, and European sizes.

## Retaining Wall Calculator and Price Estimator

Calculate how many retaining wall blocks are needed to build a wall. Estimate the retaining wall cost given the price of the preferred block.

## Roof Pitch Calculator

Find the pitch of a roof using the rise and run or the angle of the roof in degrees. Learn how to find the pitch of a roof by finding the rise and run.

## Roofing Material Calculator

Estimate how many squares of roofing material are needed and calculate the size of a roof. Learn how to measure a roof from the ground.

## Siding Squares Calculator

Find the squares of material needed for a vinyl siding installation using our siding calculator. Estimate walls and gables and learn more about calculating siding squares.

## Sod Calculator and Price Estimator

Estimate sod needed to cover a yard using the sod calculator. Find the cost of sod by entering the price per roll.

## Soil Calculator and Garden Planner

Estimate soil needed to fill a garden bed or landscaping area given the length, width, and depth of the space. Find how many bags of soil, cubic yards, or cubic feet are needed.

## Square Footage Calculator

Find square footage of a room or outdoor space by entering the length and width. Square footage can be found my multiplying length times width in feet.

## Square Yards Calculator

Calculate square yards by entering length and width measurements. Estimate material costs and yardage for carpet and flooring projects.

## Tile Calculator and Cost Estimator

Find how much tile is needed for a floor or wall by entering the length and width and the size of the tile. Learn how to estimate tile material.

## Trim and Moulding Calculator

Estimate how many mouldings you need to trim a room using the trim and moulding calculator. Find the room’s perimeter to find out how much trim is needed.

## TV Size and Viewing Distance Calculator

Find the right TV size and seating distance using our handy calculator. The calculator takes viewing angle, TV resolution, and seating distance into account to find the right TV.

## Wainscoting Layout Calculator

Learn how to layout wainscoting with all panels a consistent size for an even look .

## Wallpaper Calculator and Cost Estimator

Find how many rolls of wallpaper are needed to cover a room by entering the room size. Learn how to estimate wallpaper material for decorating projects.

## Window Air Conditioner Size Calculator

Calculate what size of window air conditioner is needed for your room given the room’s size. The calculator find’s the recommended Energy Star air conditioner size based on square footage.